/* ===== UX 16/09 — camada visual (não mexe na lógica) ===== */
:root{
  --side:#141a26; --side-2:#0f141e; --side-text:#b9c2d3; --side-active:#232c3d;
  --bg:#f4f6fb; --line:#e4e8f0; --text:#1c2433; --muted:#6b7385;
  --blue:#3558e6; --blue-soft:#eaf0ff; --radius:12px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --shadow-md:0 6px 16px rgba(16,24,40,.08),0 2px 4px rgba(16,24,40,.05);
  --shadow-lg:0 20px 48px rgba(16,24,40,.18);
}
html,body{-webkit-font-smoothing:antialiased}
::selection{background:#cdd9ff}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:#cdd3de;border-radius:10px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background-color:#aab2c0}

/* barra lateral */
.side{background:linear-gradient(180deg,var(--side),var(--side-2))}
.brand{padding:18px 18px 16px}
.brand b{font-size:15.5px;letter-spacing:.2px}
.nav a{position:relative;border-radius:10px;margin:2px 8px;transition:background .15s,color .15s}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.on{background:var(--side-active);color:#fff;font-weight:600}
.nav a.on::before{content:"";position:absolute;left:-8px;top:8px;bottom:8px;width:3px;border-radius:3px;background:#6c8cff}
.me{background:rgba(0,0,0,.15)}

/* topo */
.top{position:sticky;top:0;z-index:5;box-shadow:0 1px 0 var(--line)}
.top h1{font-size:18px;letter-spacing:-.2px}
.tabs button{transition:color .15s,border-color .15s}
.tabs button:hover{color:var(--text)}

/* cards, botões, inputs */
.card{border-radius:var(--radius)!important;box-shadow:var(--shadow-sm);border-color:var(--line)!important;transition:box-shadow .2s}
.btn{border-radius:9px;transition:background .15s,border-color .15s,box-shadow .15s,transform .05s;font-weight:500}
.btn:hover{border-color:#cfd6e2;box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(180deg,#4167f0,#3152de);border-color:#3152de;box-shadow:0 1px 2px rgba(49,82,222,.35)}
.btn.primary:hover{background:linear-gradient(180deg,#3a5fe8,#2946cf)}
.btn.danger:hover{background:var(--red-soft)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.input{border-radius:9px;transition:border-color .15s,box-shadow .15s}
.input:focus{outline:none;border-color:#8aa2f5;box-shadow:0 0 0 3px rgba(53,88,230,.15)}
.pill{border-radius:999px;font-weight:500}
.empty{padding:36px 16px;text-align:center;color:var(--muted)}
.empty::before{content:"🗂️";display:block;font-size:28px;margin-bottom:6px;opacity:.7}

/* tabelas */
table.t{border-collapse:separate;border-spacing:0}
table.t th{position:sticky;top:0;z-index:1;background:#f8f9fc;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
table.t tr:hover td{background:#fafbff}

/* conversas */
.conv-list .item{transition:background .12s}
.conv-list .item:hover{background:#f6f8fd}
.msg{box-shadow:var(--shadow-sm);border-radius:14px!important}

/* kanban */
.board .col{border-radius:14px!important}
.kcard{border-radius:10px!important;box-shadow:var(--shadow-sm);transition:box-shadow .15s,transform .15s;cursor:grab}
.kcard:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}
.kcard:active{cursor:grabbing}

/* modal */
.modal-bg{backdrop-filter:blur(2px);animation:uxFade .15s ease-out}
.modal{border-radius:16px!important;box-shadow:var(--shadow-lg);animation:uxPop .18s ease-out}
@keyframes uxFade{from{opacity:0}to{opacity:1}}
@keyframes uxPop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}

/* toasts */
.toast{border-radius:12px!important;box-shadow:var(--shadow-lg);padding:11px 16px 11px 14px!important;display:flex;gap:8px;align-items:center;animation:uxPop .2s ease-out;max-width:420px}
.toast.ux-ok{background:#0f5132!important;color:#fff!important}
.toast.ux-err{background:#9b1c1c!important;color:#fff!important}
.toast .ux-ico{font-size:15px}
.ux-toast-stack{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:9999}
.ux-toast-stack .toast{position:static!important}

/* barra de progresso no topo */
#ux-bar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,#6c8cff,#3558e6);z-index:10000;box-shadow:0 0 8px rgba(53,88,230,.6);transition:width .3s ease,opacity .3s}

/* botão ocupado */
.ux-busy{position:relative;color:transparent!important;pointer-events:none}
.ux-busy::after{content:"";position:absolute;inset:0;margin:auto;width:15px;height:15px;border-radius:50%;border:2px solid currentColor;border-color:#fff #fff #fff transparent;animation:uxSpin .7s linear infinite}
.btn:not(.primary).ux-busy::after{border-color:#3558e6 #3558e6 #3558e6 transparent}
@keyframes uxSpin{to{transform:rotate(360deg)}}

/* pop-up de carregamento */
#ux-wait{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:9998;background:rgba(15,20,30,.18);backdrop-filter:blur(1px)}
#ux-wait.on{display:flex;animation:uxFade .15s}
#ux-wait .box{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:20px 26px;display:flex;gap:14px;align-items:center;min-width:240px;animation:uxPop .18s}
#ux-wait .sp{width:26px;height:26px;border-radius:50%;border:3px solid #dfe6ff;border-top-color:#3558e6;animation:uxSpin .8s linear infinite;flex-shrink:0}
#ux-wait b{display:block;font-size:14px}
#ux-wait small{color:var(--muted)}

/* carregando página */
.ux-page-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:60px;color:var(--muted)}
.ux-page-loading .sp{width:20px;height:20px;border-radius:50%;border:2.5px solid #dfe6ff;border-top-color:#3558e6;animation:uxSpin .8s linear infinite}

/* alerta de envio */
#alerta-envio{display:flex;align-items:center;gap:8px}
#alerta-envio .ux-x{margin-left:auto;border:0;background:transparent;color:inherit;cursor:pointer;font-size:16px;opacity:.7}
#alerta-envio .ux-x:hover{opacity:1}

/* confirmação bonita */
.ux-confirm h3{margin:0 0 6px;font-size:16px}
.ux-confirm p{margin:0 0 16px;color:var(--muted);white-space:pre-wrap}
.ux-confirm .row{justify-content:flex-end;gap:8px}

/* celular */
#ux-burger{display:none}
@media (max-width:900px){
  .side{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow-lg)}
  body.ux-nav-open .side{transform:none}
  #ux-burger{display:inline-flex;border:0;background:transparent;font-size:20px;cursor:pointer;padding:6px;margin-right:4px}
  .top{padding:0 12px}
  .tabs{overflow-x:auto}
}

/* fix 16/09: ramificacao do fluxo nao pode transbordar pra esquerda (area nao rolavel) */
.fx-canvas > .fx-col{width:max-content;min-width:100%}